avr/avrdude
2
0
Fork 0
mirror of https://github.com/mariusgreuel/avrdude.git synced 2025-12-15 02:01:07 +00:00
Code Issues Projects Releases Wiki Activity

stk500.c, term.c, doc/avrdude.texi, avrdude.1: added "sck"-command to the terminal mode. This command allows slowing down of the SCK of STK500-programmers.

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@427 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Jan-Hinnerk Reichert
2004-07-07 08:59:07 +00:00
parent 7b4466c24b
commit 80f996b49a
6 changed files with 95 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
term.c
View File

@@ -78,6 +78,8 @@ int cmd_varef (PROGRAMMER * pgm, struct avrpart * p, int argc, char *argv[]);
int cmd_fosc (PROGRAMMER * pgm, struct avrpart * p, int argc, char *argv[]);
int cmd_sck (PROGRAMMER * pgm, struct avrpart * p, int argc, char *argv[]);
struct command cmd[] = {
{ "dump", cmd_dump, "dump memory : %s <memtype> <addr> <N-Bytes>" },
@@ -91,6 +93,7 @@ struct command cmd[] = {
{ "vtarg", cmd_vtarg, "set <V[target]> (STK500 only)" },
{ "varef", cmd_varef, "set <V[aref]> (STK500 only)" },
{ "fosc", cmd_fosc, "set <oscillator frequency> (STK500 only)" },
{ "sck", cmd_sck, "set <SCK period> (STK500 only)" },
{ "help", cmd_help, "help" },
{ "?", cmd_help, "help" },
{ "quit", cmd_quit, "quit" }
@@ -597,6 +600,38 @@ int cmd_fosc(PROGRAMMER * pgm, struct avrpart * p, int argc, char * argv[])
}
int cmd_sck(PROGRAMMER * pgm, struct avrpart * p, int argc, char * argv[])
{
int rc;
double v;
char *endp;
if (argc != 2) {
fprintf(stderr, "Usage: sck <value>\n");
return -1;
}
v = strtod(argv[1], &endp);
if (endp == argv[1]) {
fprintf(stderr, "%s (sck): can't parse period \"%s\"\n",
progname, argv[1]);
return -1;
}
v *= 1e-6; /* Convert from microseconds to seconds. */
if (pgm->set_sck_period == NULL) {
fprintf(stderr,
"%s (sck): the %s programmer cannot set SCK period\n",
progname, pgm->type);
return -2;
}
if ((rc = pgm->set_sck_period(pgm, v)) != 0) {
fprintf(stderr, "%s (sck): failed to set SCK period (rc = %d)\n",
progname, rc);
return -3;
}
return 0;
}
int cmd_varef(PROGRAMMER * pgm, struct avrpart * p, int argc, char * argv[])
{
int rc;